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Winthrop Jetty Surf Forecast
/ Massachusetts (29 breaks) / Massachusetts (28 breaks) /
Surf Forecasts:
Winthrop Jetty surfForecast / Massachusetts / USA
48hr Weather and Surf, issued 1 am Wednesday 06 May 2026 EDTForecast update in hr min s Forecast update imminent
Winthrop Jetty surf forecast is for near shore open water. Breaking waves will often be smaller at less exposed spots.
Today's Winthrop Jetty sea temperature is
9.4° C
(Which is 1.2°C warmer than normal for this time of year)How big are the waves at Winthrop Jetty today?
The current surf forecast for Winthrop Jetty at 5AM is: 0.5m 5s primary swell from a Southeast direction and 0.1m 10s secondary swell from a East direction (forecast issued at 01:00am May 06). An open ocean swell of 0.6m 3s is not directed at the surf break. The wind direction is predicted to be cross-offshore.
| Time (EDT) & Date | Wave Height | Wave Period |
|---|---|---|
| Morning (06 May) | 2.5ft (0.7m) | 3s |
| Afternoon (06 May) | 3.5ft (1.0m) | 4s |
| Evening (06 May) | 2.5ft (0.8m) | 4s |
Table - waves today at Winthrop Jetty. (Swell directed towards the surf break)
Updates in hr min s Forecast update imminent
Short Range ForecastLight rain (total 8mm), mostly falling on Wed night. Warm (max 20°C on Wed morning, min 8°C on Thu night). Winds decreasing (fresh winds from the SSW on Wed morning, light winds from the WSW by Fri night). | ||||||||||||||||||||||||
Wednesday 6 | Thursday 7 | Friday 8 | ||||||||||||||||||||||
2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | 2 AM | 5 AM | 8 AM | 11 AM | 2 PM | 5 PM | 8 PM | 11 PM | |
Swell Height Map |    |    |    | |||||||||||||||||||||
ESE 8 | SE 5 | S 3 | S 3 | S 4 | S 4 | S 4 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | E 9 | E 9 | E 9 | E 9 | E 8 | E 9 | E 9 | E 11 | E 10 | E 10 | E 10 | E 9 | |
6 | 13 | 7 | 11 | 35 | 35 | 18 | 11 | 8 | 11 | 8 | 8 | 6 | 6 | 6 | 6 | 6 | 6 | 6 | 9 | 32 | 49 | 46 | 60 | |
Wind (km/h) | ||||||||||||||||||||||||
cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | cross-off | off | cross-off | cross-off | off | off | cross-off | cross-off | off | off | cross-off | off | off | off | off | cross-off | |
High Tide | 2:45AM2.87m | 3:27PM2.50m | 3:29AM2.80m | 4:13PM2.45m | 4:16AM2.73m | 5:02PM2.44m | ||||||||||||||||||
Low Tide | 9:10AM0.24m | 9:18PM0.59m | 9:55AM0.32m | 10:05PM0.65m | 10:43AM0.37m | 10:57PM0.67m | ||||||||||||||||||
 |  |  |  | | |  |  | |  | |  | | | | | | | | | | | | | |
 | — | 5:33 | — | — | — | — | — | — | — | 5:31 | — | — | — | — | — | — | — | 5:30 | — | — | — | — | — | — |
 | — | — | — | — | — | 7:47 | — | — | — | — | — | — | — | 7:49 | — | — | — | — | — | — | — | 7:50 | — | — |
— | — | — | — | — | — | 6 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
Temp °C | 15 | 14 | 15 | 20 | 19 | 17 | 15 | 14 | 13 | 11 | 11 | 14 | 17 | 17 | 15 | 12 | 9 | 8 | 9 | 13 | 16 | 16 | 15 | 12 |
10 | 10 | 11 | 15 | 14 | 12 | 12 | 11 | 10 | 8 | 8 | 10 | 13 | 12 | 10 | 8 | 4 | 3 | 3 | 7 | 10 | 9 | 10 | 9 | |
Swell 1 Height (m) Direction Period (s) | ESE 8 | SE 5 | E 10 | E 10 | E 10 | E 9 | E 10 | SE 6 | SE 6 | SE 6 | SE 6 | SE 6 | ESE 6 | ESE 5 | ESE 5 | ESE 5 | ESE 5 | E 9 | E 9 | ESE 8 | E 10 | E 10 | E 10 | E 9 |
 kJ | 6 | 13 | 2 | 2 | 2 | 2 | 2 | 11 | 8 | 11 | 8 | 8 | 6 | 3 | 3 | 3 | 3 | 6 | 6 | 6 | 32 | 49 | 46 | 60 |
Swell 2 Height (m) Direction Period (s) | E 10 | E 10 | E 9 | E 10 | — | — | E 10 | E 10 | E 10 | E 10 | E 9 | E 9 | E 9 | E 9 | E 9 | E 9 | E 8 | ESE 5 | ESE 8 | E 11 | ESE 7 | — | — | — |
| kJ | 2 | 2 | 2 | 2 | — | — | 2 | 2 | 2 | 2 | 7 | 7 | 6 | 6 | 6 | 6 | 6 | 2 | 6 | 9 | 5 | — | — | — |
Swell 3 Height (m) Direction Period (s) | E 10 | E 9 | — | — | — | — | — | — | — | E 10 | — | — | E 7 | — | — | E 9 | SE 9 | SE 8 | N 3 | E 8 | WNW 3 | — | — | — |
| kJ | 2 | 2 | — | — | — | — | — | — | — | 7 | — | — | 1 | — | — | 1 | 3 | 2 | 1 | 5 | 1 | — | — | — |
Wind waves Height (m) Direction Period (s) | S 4 | SSW 3 | S 3 | S 3 | S 4 | S 4 | S 4 | SW 3 | SSW 3 | — | — | — | — | — | — | — | NW 2 | NNW 3 | — | WNW 2 | — | WNW 2 | WNW 2 | WSW 2 |
| kJ | 17 | 8 | 7 | 11 | 35 | 35 | 18 | 3 | 1 | — | — | — | — | — | — | — | 1 | 1 | — | 1 | — | 1 | 1 | 1 |
Nearest Offshore or Glassy | ||||||||||||||||||||||||
Distance (km) | 558 | 61 | 1630 | 1244 | 1244 | 1244 | 1244 | 329 | 548 | 132 | 64 | 52 | 64 | 55 | 104 | 55 | 64 | 100 | 106 | 52 | 66 | 33 | 25 | 9 |
Best forecast wave conditions in Massachusetts | ||||||||||||||||||||||||
Best forecast wave conditions in United States | ||||||||||||||||||||||||
Header Global | ||||||||||||||||||||||||
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